There are many witnesses to his challenge.
It went something like this:
"Why don't you come with me to the old folks' home to see the old
people..."
After which, when you said ok
He said "You go yourself. Don't need me to go to the old folks'
home..."
If the above is not lying, I don't know what is.
But then again, he probably thinks all of us are in cahoots with
one another against him. He is the good guy. All of us are the bad
guys trying to bully the good guy...
delusional chap 